2 pieces chrome steel water hammer eliminator for washing machine water delivery valve or direct connection to washer pipe: 3/4inch female swivel hose thread x 3/4inch male hose thread; Maximum working pressure: 250 PSI Can be put in horizontally or vertically Suppresses risky water shock and noise and protects washing machine control system Low lead brass valve physique Material: Stainless metallic colour: Silver+gold Package Contents: 2 x eliminator Only the above equipment content, diverse products will not be included. Note: Light reflection and diverse reveals could cause the colour of the object in the photograph a bit varied from the genuine thing. The dimension allowed error is +/- 1-3cm.